Hi Jeff,
This is a false problem - you can simply decline the re-INVITE without
breaking anything - each side has its own cseq number, and they are
independently increased when a party is generating a new requests.
So, just decline it and that's it !
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 11.03.2014 19:42, Jeff Pyle wrote:
Hi Alexander,
To detect the "image" session in the SDP, you are thinking the same
way that I am. The problem I see is how to actually reject the
re-INVITE. If I were to do something like a sl_send_reply("488", "Not
Acceptable Here"), that would work in the moment, but the CSeq values
would be increased by one on side compared to the other. That sounds
to me like a recipe for problems in future in-dialog transactions
(like BYE).
- Jeff
On Tue, Mar 11, 2014 at 12:58 PM, Alexander Mustafin
<[email protected] <mailto:[email protected]>>
wrote:
Hi, Jeff.
Maybe stream_exists(regexp) in sipmsgops module will be useful for
you.
Best regards,
Alexander Mustafin
[email protected] <mailto:[email protected]>
11 ????? 2014 ?., ? 20:07, Jeff Pyle <[email protected]
<mailto:[email protected]>> ???????(?):
Hello,
Is there anything I can do at the proxy level to prevent a dialog
from reinviting to to T.38? I think I could detect the T.38
attributes easily enough and respond with a 488, although I'm
concerned the CSeq values would be out of sequence for the next
transaction that did make it through the proxy to the far end.
That could cause a problem, no?
Is this something that requires a B2BUA? Is it possible from
within the OpenSIPS B2B modules to do SDP inspection of any sort?
- Jeff
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